3v4l.org

run code in 300+ PHP versions simultaneously
<?php class C { private $myCodeCapsule; public function store(&$value) { $initialValue = $value $this->myCodeCapsule = function () use (&$value, $initialValue) { $value = $initialValue; }; } public function execute() { $this->myCodeCapsule->__invoke(); } } $obj = new C; $obj->store($x=1); $x=0; $obj->execute(); var_dump($x);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
5.6.80.0170.02320.42
5.5.240.0300.06720.29
5.4.400.0330.05018.85
5.4.390.0270.05718.79
5.4.380.0530.06018.57
5.4.370.0400.07318.47
5.4.360.0300.05718.78
5.4.350.0530.06018.63
5.4.340.0400.05718.75
5.4.320.0430.05018.85
5.4.310.0370.05718.59
5.4.300.0370.05718.81
5.4.290.0400.05718.84
5.4.280.0330.06718.62
5.4.270.0400.05718.73
5.4.260.0400.07718.73
5.4.250.0430.05318.69
5.4.240.0300.06718.62
5.4.230.0370.05318.46
5.4.220.0430.05718.77
5.4.210.0500.05318.73
5.4.200.0430.06016.57
5.4.190.0430.06718.82
5.4.180.0430.05718.55
5.4.170.0430.07718.59
5.4.160.0330.05718.76
5.4.150.0330.07318.60
5.4.140.0470.06316.22
5.4.130.0430.05316.43
5.4.120.0330.05716.33
5.4.110.0430.06716.23
5.4.100.0300.08316.31
5.4.90.0370.06316.28
5.4.80.0370.05316.27
5.4.70.0370.05716.30
5.4.60.0370.05016.42
5.4.50.0470.03716.17
5.4.40.0400.05716.30
5.4.30.0530.04316.21
5.4.20.0600.06016.17
5.4.10.0430.04016.29
5.4.00.0330.04715.75
5.3.290.0330.07714.74
5.3.280.0300.07014.73
5.3.270.0470.06314.66
5.3.260.0470.07314.82
5.3.250.0330.05314.66
5.3.240.0370.04714.79
5.3.230.0330.05714.59
5.3.220.0400.05314.77
5.3.210.0400.06014.77
5.3.200.0500.07014.63
5.3.190.0370.05714.59
5.3.180.0300.06714.61
5.3.170.0400.05314.77
5.3.160.0570.06014.75
5.3.150.0400.04714.67
5.3.140.0470.06014.55
5.3.130.0500.06714.73
5.3.120.0530.05714.58
5.3.110.0530.07314.68
5.3.100.0270.08714.16
5.3.90.0400.05014.15
5.3.80.0300.07714.12
5.3.70.0100.07014.05
5.3.60.0200.06014.05
5.3.50.0400.06313.98
5.3.40.0470.06014.05
5.3.30.0400.05314.07
5.3.20.0430.07013.91
5.3.10.0300.05713.82
5.3.00.0430.04313.86
5.2.170.0230.05011.14
5.2.160.0300.04011.15
5.2.150.0270.04711.13
5.2.140.0370.04711.18
5.2.130.0400.04011.18
5.2.120.0270.06011.11
5.2.110.0370.04711.15
5.2.100.0330.05011.23
5.2.90.0270.03711.20
5.2.80.0270.04311.20
5.2.70.0330.05311.20
5.2.60.0230.05011.27
5.2.50.0300.05711.13
5.2.40.0230.05711.10
5.2.30.0330.04711.09
5.2.20.0300.03710.97
5.2.10.0270.04310.91
5.2.00.0300.06010.81
5.1.60.0400.03710.04
5.1.50.0200.04010.04
5.1.40.0300.03310.18
5.1.30.0300.04310.51
5.1.20.0330.04310.37
5.1.10.0330.03710.25
5.1.00.0300.03710.19
5.0.50.0130.0338.67
5.0.40.0170.0308.53
5.0.30.0070.0608.27
5.0.20.0130.0378.33
5.0.10.0230.0378.16
5.0.00.0170.0438.18
4.4.90.0170.0305.89
4.4.80.0100.0335.91
4.4.70.0200.0275.89
4.4.60.0330.0205.87
4.4.50.0200.0305.94
4.4.40.0200.0375.97
4.4.30.0300.0305.92
4.4.20.0170.0305.97
4.4.10.0330.0275.98
4.4.00.0130.0475.93
4.3.110.0170.0205.82
4.3.100.0130.0305.84
4.3.90.0200.0205.89
4.3.80.0270.0405.77
4.3.70.0070.0305.77
4.3.60.0370.0275.86
4.3.50.0130.0335.87
4.3.40.0070.0435.75
4.3.30.0070.0274.58
4.3.20.0130.0274.57
4.3.10.0030.0274.50
4.3.00.0000.0236.51

preferences:
147.24 ms | 939 KiB | 8 Q